| Name | Isostigma fiebrigii Hieronymus |
| Authorship | Hieronymus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Isostigma |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Isostigma fiebrigii Hieronymus |
| Identification made in | [no date] (1) |